Where to submit patches for linux-2.6-imx

There is a very serious bug in the i.mx6 v4l capture drivers that I have a patch for. These drivers appear to be specific to the BSP and do not exist in mainline. The email address referenced in Submit i.MX53 & i.MX28 Linux kernel patches appears to no longer be valid. Can someone please post an update? Also, should patches to i.mx related files which exist in mainline be submitted to the same list or is there a better place to do it?